... used to measure 50Hz or 60Hz active energy consumption from three phase four wire AC electricity net. The meter adopts LSI ( ... 6 integer and 2decimal; 3. Display the data of current date, time/ current total, sharp, peak load, day hour, low load energy ... LCD display recycled. After energy meter connect electricity, date, time, current total, sharp, peak load, day hour, low load , operating period ...